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A031437 Number of nonisomorphic regular linear spaces RLIN(n). 2
1, 1, 1, 2, 2, 2, 4, 3, 4, 9, 14, 33, 839, 2041, 22192 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

REFERENCES

A. Betten and D. Betten: Regular Linear Spaces, Beitraege Algebra Geometrie 38 (1): 111-124, 1997.

A. Betten and D. Betten: The proper linear spaces on 17 points, Discrete Applied Mathematics, Volume 95, no. 1-3, 1999, pp. 83-108.

CRC Handbook of Combinatorial Designs, in the article by Gronau, Mullin and Pietsch.

LINKS

Table of n, a(n) for n=0..14.

CROSSREFS

Cf. A001200, A031436.

Sequence in context: A029157 A247301 A239858 * A282561 A237598 A138241

Adjacent sequences:  A031434 A031435 A031436 * A031438 A031439 A031440

KEYWORD

nonn,nice

AUTHOR

Anton Betten (Anton.Betten(AT)uni-bayreuth.de)

STATUS

approved

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Last modified September 22 09:27 EDT 2021. Contains 347606 sequences. (Running on oeis4.)